We are offering bottle-top dispenserthe wide range of dispensette dispensers provides premium dispensing options for the complete spectrum of liquid reagents. dispensette iii (red color-code): for dispensing aggressive reagents, including concentrated acids such as h3po4, h2so4, bases like naoh, koh, saline solutions, as well as many organic solvents - directly from the supply bottle. features at a glance:digital display: especially easy to read, and dispensing volume can be set accurately and reproducibly (mechanical counter). Easy calibration: innovative technique for adjustment in seconds without tools. Alteration of factory setting is automatically indicated by a red recalibration flag.The dispensette is easy for dismantle for cleaning, has replaceable filling valves and is autoclavable at 121 c.The parts of the dispensette iii which are in contact with medium consists of the following high-grade materials: borosilicate glass, ceramic, platinum-iridium, etfe, fep and pfa. The discharge tube safety screw cap is pp.Operating limits: vapor pressure max. 500 mbar, viscosity max. 500 mm2s, temperature max. 40 c, density max. 2.2 gcm3.